<!--
	
var images=new Array()
function preloadimages() {
	for (i=0;i<preloadimages.arguments.length;i++) {
		images[i]=new Image()
		images[i].src=preloadimages.arguments[i]
	}
}


// list of images
preloadimages("images/nav_02_over.jpg, images/nav_04_over.jpg, images/nav_06_over.jpg, images/nav_08_over.jpg, images/nav_10_over.jpg")

	
function over(n) {
	if (document.images && document.images[n]) {
		var alt = document.images[n].src;
		var punkt = alt.lastIndexOf(".");
		var neu	= alt.substring(0, punkt) + "_over" +
		          alt.substring(punkt, alt.length);
		document.images[n].src = neu;
	}
}

function out(n) {
	if (document.images && document.images[n]) {
		var alt = document.images[n].src;
		var punkt = alt.lastIndexOf("_over.");
		var neu	= alt.substring(0, punkt) +
		          alt.substring(punkt+5, alt.length);
		document.images[n].src = neu;
	}
}

//-->